1.8.1.5	2-oxopropyl-CoM reductase (carboxylating)	-	
1.8.1.20	4,4'-dithiodibutanoate disulfide reductase	-	
1.8.99.2	adenylyl-sulfate reductase	-	
1.8.4.9	adenylyl-sulfate reductase (glutathione)	-	
1.8.4.10	adenylyl-sulfate reductase (thioredoxin)	-	
1.8.1.11	asparagusate reductase	-	
1.8.7.1	assimilatory sulfite reductase (ferredoxin)	-	
1.8.1.2	assimilatory sulfite reductase (NADPH)	-	
1.8.5.4	bacterial sulfide:quinone reductase	-	
1.8.1.13	bis-gamma-glutamylcystine reductase	-